- If you direct download the image, make sure the SHA256 hash matches. To generate the SHA256 of the downloaded file in Windows 10, enter the following command, compare with the SHA256 hash in the download page.
> CertUtil -hashfile ubuntu-mate-16.04-desktop-armhf-raspberry-pi.img.xz SHA256

- Write to SD card using Win32DiskImager.

- Insert and run on Raspberry Pi 2 or 3. This video show it boot-up on Raspberry Pi 3.